EventCAT: AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings. aTrain: Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist EventCAT when providing multilingual live subtitles and audio at in-person conferences and seminars matters most, and aTrain when universities and public bodies needing gdpr-friendly local transcription matters most. Try them side by side on real calls before deciding — needs vary by team.
AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings.
Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection.
EventCAT is an AI-powered real-time interpretation and subtitling platform built by XL8 Inc. for meetings, webinars, and live conferences. It converts spoken audio into live captions and synthesized voice translation across more than 50 languages, allowing multilingual audiences to follow sessions without traditional interpreter booths. The platform offers two products: an OnlineMeeting mode that integrates with Zoom, Google Meet, and Microsoft Teams, and a Conference mode designed for in-person and hybrid events. For conferences, each session generates a unique QR code so attendees can view or listen to captions in their preferred language on a phone or tablet, while subtitles can also be projected on main event screens and pushed to YouTube and OBS streams. EventCAT exposes two processing modes, one tuned for low latency and one tuned for accuracy, and supports custom glossaries for industry and company-specific terminology. After an event it produces downloadable transcripts in multiple languages and AI-generated summaries. The service advertises SOC 2 certification and a stated policy of not storing or training on user data, and it is actively operating in 2025 and 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
aTrain is a free, open-source desktop application for offline speech transcription, developed by researchers at the Business Analytics and Data Science Center of the University of Graz in Austria. It provides a graphical interface around OpenAI's Whisper model (via the faster-whisper implementation) so users with no programming experience can transcribe recorded meetings, interviews, lectures, and other audio. Because all processing happens locally on the user's own computer, no audio or text is uploaded to any server, which makes it well suited to privacy-sensitive and GDPR-conscious environments such as universities, public institutions, and research teams. aTrain supports a wide range of languages and adds speaker detection through pyannote.audio so contributions from different participants can be separated. Transcripts can be exported in formats compatible with qualitative-analysis software such as MAXQDA, ATLAS.ti, and NVivo. It runs on Windows (including a Microsoft Store distribution) with GPU acceleration on NVIDIA hardware, and is distributed under the AGPL-3.0 license. It is best for researchers, academics, and organizations that need accurate, local, no-cloud transcription of recorded conversations. Pricing varies by plan. Check the official website for current pricing.
Best suited for
EventCAT is a free tier with paid upgrades (freemium); aTrain is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | EventCAT | aTrain |
|---|---|---|
| Core capability | Real-time AI subtitles and synthesized voice interpretation in 50+ languages | Offline, fully local transcription with no data leaving the device |
| Standout feature | Conference mode with per-session QR codes for attendees plus main-screen subtitle display | Built on OpenAI Whisper via the faster-whisper engine |
| Team usage | Integrations with Zoom, Google Meet, Microsoft Teams, YouTube, and OBS | Speaker detection/diarization using pyannote.audio |
| Integrations | Selectable speed-prioritized and accuracy-prioritized translation modes | Exports compatible with MAXQDA, ATLAS.ti, and NVivo |
| Languages & capture | Custom glossaries for industry and proper-noun accuracy | Graphical interface requiring no programming skills |
| Best-fit workflow | Post-event downloadable multilingual transcripts and AI summaries | NVIDIA GPU acceleration support |
EventCAT
Choose EventCAT if you need providing multilingual live subtitles and audio at in-person conferences and seminars — strengths include combines both live captions and voice interpretation in one platform.
aTrain
Choose aTrain if you need researchers transcribing recorded interviews for qualitative analysis — strengths include free and open source under agpl-3.0.
EventCAT
aTrain
It depends on your workflow. EventCAT is strong for providing multilingual live subtitles and audio at in-person conferences and seminars, while aTrain is strong for researchers transcribing recorded interviews for qualitative analysis. Both transcribe and summarize meetings.
EventCAT is a free tier with paid upgrades and aTrain is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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